@article{GDZPPN002438240,
title = {Minimal hypersurfaces in S4 with vanishing Gauss-Kronecker curvature.},
journal = {Mathematische Zeitschrift},
volume = {205},
year = {1990},
pages = {645-658},
zbl = {0694.53054},
url = {http://dml.mathdoc.fr/item/GDZPPN002438240}
}
Ramanathan, Jayakumar. Minimal hypersurfaces in S4 with vanishing Gauss-Kronecker curvature.. Mathematische Zeitschrift, Tome 205 (1990) pp. 645-658. http://gdmltest.u-ga.fr/item/GDZPPN002438240/